Feature:1. Made of alloy material, durable, not easy to deform, can effectively resist oxidation and rust, and have a long service life.2. Battery included, saving you the trouble of buying the battery, and you can use it directly when you get it.3. Small and convenient, convenient to store and carry, and convenient to transport at the same time.4. Professional tools for watchmakers and watch repairers to save you expensive repair costs.5. Professional tool of the clock repairman is very accurate, so that you can know the time more accurately.Specification:Item Type: Watch MovementMaterial: AlloyBattery Type: SR621SW Button Battery (Included)Battery Capacity: 18mAhUse: For the replacement of watch movement Package List:1 x Watch Movement1 x Pin1 x Button Battery